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A206.0 (A12060) Cast Aluminum

A206.0 aluminum is an aluminum alloy formulated for casting. A206.0 is the Aluminum Association (AA) designation for this material. A12060 is the UNS number. It can have a moderately high tensile strength among the ANSI/AA cast aluminums in the database.

The properties of A206.0 aluminum include three common variations. This page shows summary ranges across all of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare A206.0 aluminum to: ANSI/AA cast aluminums (top), all aluminum alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Brinell Hardness

100 to 110

Elastic (Young's, Tensile) Modulus

70 GPa 10 x 106 psi

Elongation at Break

4.2 to 10 %

Fatigue Strength

90 to 180 MPa 13 to 27 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

26 GPa 3.8 x 106 psi

Shear Strength

260 MPa 37 x 103 psi

Tensile Strength: Ultimate (UTS)

390 to 440 MPa 56 to 64 x 103 psi

Tensile Strength: Yield (Proof)

250 to 380 MPa 36 to 55 x 103 psi

Thermal Properties

Latent Heat of Fusion

390 J/g

Maximum Temperature: Mechanical

170 °C 340 °F

Melting Completion (Liquidus)

670 °C 1230 °F

Melting Onset (Solidus)

550 °C 1020 °F

Specific Heat Capacity

880 J/kg-K 0.21 BTU/lb-°F

Thermal Conductivity

130 W/m-K 74 BTU/h-ft-°F

Thermal Expansion

23 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

30 % IACS

Electrical Conductivity: Equal Weight (Specific)

90 % IACS

Otherwise Unclassified Properties

Base Metal Price

11 % relative

Density

3.0 g/cm3 190 lb/ft3

Embodied Carbon

8.0 kg CO2/kg material

Embodied Energy

150 MJ/kg 65 x 103 BTU/lb

Embodied Water

1150 L/kg 140 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

16 to 37 MJ/m3

Resilience: Unit (Modulus of Resilience)

440 to 1000 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

46 points

Strength to Weight: Axial

36 to 41 points

Strength to Weight: Bending

39 to 43 points

Thermal Diffusivity

48 mm2/s

Thermal Shock Resistance

17 to 19 points

Alloy Composition

Among cast aluminum alloys, the composition of A206.0 aluminum is notable for containing a comparatively high amount of copper (Cu). Copper is used to improve strength. This comes at the cost of a decrease in corrosion resistance and weldability.

Aluminum (Al) 93.9 to 95.7
Copper (Cu) 4.2 to 5.0
Titanium (Ti) 0.15 to 0.3
Manganese (Mn) 0 to 0.2
Magnesium (Mg) 0 to 0.15
Iron (Fe) 0 to 0.1
Zinc (Zn) 0 to 0.1
Silicon (Si) 0 to 0.050
Nickel (Ni) 0 to 0.050
Tin (Sn) 0 to 0.050
Residuals 0 to 0.15

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Similar Alloys

Further Reading

Aluminum: Properties and Physical Metallurgy, John E. Hatch (editor), 1984

ASM Specialty Handbook: Aluminum and Aluminum Alloys, J. R. Davis (editor), 1993